Gas-producer.



J. C. 6L J. A. SWINDBLL.'

GAS PRODUCER.

lAPPLIILIJION FILED APR. 15. 1909.1 i 947,065. Patente@ Jan. 18,1910.

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. cq uo .l t A N D I5 J. C. 6c J.A; ,SWvIINDELL.' f GAS PRODUCER.

APPLICATION FILED APB.1 5,1909. l

Patented Jan. 18,-1910.

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pipe Athe fur-nace by theaction of the furnaces of other constructions than those iuplunger 15, and also torel-ieve largely the from the hopper 14, and upon' the forward mate y equal quantit ward stroke.

back pressure on the plunger, due to such -columnof fuel, the discharge end, portiom of said feed pipe `is preferablyprovided' vvith sectionsl, 4 and 4, which are of, progressively increasing diameters.

The, o muon win be ,readiiyimderisfbdf At each ackward stroke of the plunger 15 a uantity "of fuel falls 'into the-feed pipe 4 stroke of the p lun er this fuel ismoved for#A wnrdly throught e feed pipe toward the furnace, causingthc discharge into' `the cen-'- tral )ort-ion of the 'fuelbed ofan approxil of fuel at eac forf This nel enters thecentral oi'tion ofthe feed bed'in this manner','there )y raising and loosening-the`- previously Vfed fuel, thus providing foi' 'proper combustion and keeping the fuel bed f ofash The. air'and steam ysupplied by t e nozzle 13 and steam jet 14 pass 'throughthe-4 ipe 11", and a portion is discharged outwar y in a1l'direc4' tions at the upper end of vthe pipe 1'1' whilethe remainder passes outthrugh the funnelshaped grate (hihi-this manner a proper Aso quantity of steam and' air -isvdischarged ldi-l rectly into the central portion of the fuel willbefat the centralA portion thereof Aand between the green fuel and theash instead of` at the'sides. 'The larger portionV offthefuel will, therefore, be re uced toash before-it reaches the sides ofthe furnace, ai indicated in Fig. 1. This largely .reduces t/lie formation of clinker on'the side walls of theAfixrnace, an d also greatly facilitates the proper operation of the furnace. f

To Vreceive the pipes undA V11 ltheAvater is provided .with the sepunrated end .Wa s3", as shownin4 F ig. 3, said walls forming-a trough Vthrough which *the pipes` extend into and through the base portion of the furnace.

vIn the modification "sho'vvn" in Fig. 4,v the openin '7 lin the funnel-'shaped'grate 6 are' omitt and the said yfunnel-shaped member isv formed as a solid4 pieoe.'.detachablysup' portedin a'manner similartotliatshown 1,11

Fig.- 1, so that' it can be readilyiremovedarfd renewed` when necessary.-

ties which have heretofore' been ex` rienced I in theoperation of furnaces of t is'type.

Wej do not, however, llimit ourselves 'tothe precise construction and'a'rramrement of the partswhich we' have herein shown and'de-V scribed, as it will be obvious' that'numerous changes can be made therein. Thus, our' fuel.' feeding apparatus is applicable to producer the co dicated in the drawings; any desired feed- -in a )aratus maybe employed for forcing g pllumn of .fuel through the feed pipe;

ing bosh, a fuel feed pipe exteiu'ling uprwax'dly'finto the central portion of tlzejiuel bed, 4said pipe\termin ating'in an open ldisa ir a nd the i'u el charge, and means for dischargin steam into the central portionl o vbed in a zone surrounding the central fuel discharge, the producer being otherwise closed a ainst the entrance of air intosaidbed,an there being afree fuel'and ash Vin downwardl to the water bosh, substan- 2 bosh, a

as described. Y i

nel-shaped discharging portion', a steam and alr'suppl ypipe having a portion which surtia y as descri ed space lsurrounding the feed pipe and extend A.'- as' producen having a water-sealing el' feed ipe extendingtlirou'gn the bosh and upwar ly into the central portion ofv thefuel bed, and terminating in a funnel-shaped discharging portion, a steam and air supply pipe having a portion which snrrounds thenupper portion of thefxiel feed Vpipe, saidfsteam and air'pipe terminating bed; .and the hottest portion of such bed e and having its' upper end open, substantially` owthe funnel-shapeddischarge portions `3..A.' as producer having a water-sealing vbo"sh,'a uelfe'edl ipe extending through the bosh and upvi'ar ly into the central portion of thefuel bed, and terminating in 'a funrounds -t 1e upper'pqrtion of the fuel; feed' pipe, s'aidsteam and air pipe being arranged to discharge steam and air into the fuel hed and at'a point'below the fuel discharge, and' the producer being otherwise closed; against Vthe entrance -of' air Vto said bed, substantially asfdescribed.'

1 '4.`A Vgas producer having a fuel feed pipe extending upwardly through itshase int/c plypipe-A having' its innery end surrounding the upper portion of the llfuelteed pipe but terminating at apoint belowl the-n per Send' of the fuelA feedpipe, thestean-a-n air su'p ply pi eA being open at its upper end and arrange `to discharge steam and'airaround the fuelpipe', substantially as' (lef '5. 'A gasiproduoer furnace, having affuel',

'base 1nto; the 'fuel chamber, gndlhwng feed pipe 'extending upwardly' 'througif its its upper -end 'portion formed byV portione-jor- -`'sections of progressively increasing ;'di'a7r 1 1eY AStantiallylv as described.

ters,' with"an^ upwardly' facing shoulder or ledge atthe nnetionfV of sa'd portions;

, e. A ggg prodneegfumee, havin-'ghi 'fiar feed pipe extending upwardly through its base into the fuel chamber, and having'its iippereiid portion formed by portions or sections of progressively increasing diameters, each section or portion being of a unin form diameter throughout its length, but

each section being o a greater diameter than the preceding section, substantially as described. l

7. A gas producer furnace, having a fuel feed pipe extending upwardly through its base into the, fuel-chamber, and having its upper end portion formed by portions or sections of progressively increasing diameters, each section or portion being of a uni- '.forin diameter throughout its length, but

each section being of a greater diameter than the preceding section, with ledges or shoulders at the oints where the diameter Vchan res, substantially as described.y

8. n a gas produc-er, a fuel feed pipe extending upwardly linto the lo'wenportion of the furnace, another' pipe surroundingthe upper end portion of the feed pipe, and a funnel-'shaped discharge member removably supportedinA the upper end of the fuel feed l pipe and also having downwardly tapering portion of the second rib ortions whichl engage the upper vend pipe, substantially as described. 1.

9. In a gas producer, a fuel feed pipe exl tending upwardly into the lower portion of the furnace and having a shouldered upper the upper end, another pipe surroundin end portion of the fuel pipe an also having a shouldered upper end, and a funnel-sha ed discharge member removably supporte in the shouldered upper end: of the fuel feed pipe and also having downwardly tapering rib portions which engage the shouldered upper end portion of the second pipe, substantially as described.

l0. A ,gas producer having a fuel feed pipe extending upwardly through its base into the fuel chamber and a'steani and air supplyipipe having its inner end surrounding the upper portion ofthe fuel feed pipe set our hands.

JOHN C. SWINDELL. JOHN A. SWINDELL.

Witnesses:

GEO. H. PARMELEE, H. M. CoRwiN. 

